2785420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1151}}^1$

素因数の和:1182

約数の個数: 36

約数和(自身を含む): 6435072

約数和(自身を除く): 3649652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1151, 1210, 2302, 2420, 4604, 5755, 11510, 12661, 23020, 25322, 50644, 63305, 126610, 139271, 253220, 278542, 557084, 696355, 1392710, 2785420]

約数ペア:

[(1, 2785420), (2, 1392710), (4, 696355), (5, 557084), (10, 278542), (11, 253220), (20, 139271), (22, 126610), (44, 63305), (55, 50644), (110, 25322), (121, 23020), (220, 12661), (242, 11510), (484, 5755), (605, 4604), (1151, 2420), (1210, 2302)]